Finding the Third Proportional to 1,336,171 and 3,118,309

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,171 : 3,118,309 = 3,118,309 : x
2. Step 2: Convert to fraction form
   1,336,171/3,118,309 = 3,118,309/x
3. Step 3: Cross multiply
   1,336,171x = 3,118,309 × 3,118,309
4. Step 4: Simplify right side
   1,336,171x = 9,723,851,019,481
5. Step 5: Solve for x
   x = 9,723,851,019,481/1,336,171
6. Step 6: Final answer
   x = 7,277,400.14